frontend: add CLI frame/audio dump flags and expand raylib input mapping

src/platform/raylib.zig

@@ -16,9 +16,10 @@ pub const Driver = struct {
     audio_ring_head: usize = 0,
     audio_ring_tail: usize = 0,
 
-    event_queue: [16]platform.Event = undefined,
+    event_queue: [64]platform.Event = undefined,
     event_head: usize = 0,
     event_tail: usize = 0,
+    polled_this_frame: bool = false,
 
     pub fn init(title: [*:0]const u8, width: i32, height: i32, scale: i32) Driver {
         c.InitWindow(width * scale, height * scale, title);
@@ -63,10 +64,22 @@ pub const Driver = struct {
             return ev;
         }
 
+        if (self.polled_this_frame) {
+            return null;
+        }
+        self.polled_this_frame = true;
+        self.event_head = 0;
+        self.event_tail = 0;
+
         // Poll Raylib Key Events
         const key_mappings = [_]struct { c_key: c_int, key: platform.Key }{
             .{ .c_key = c.KEY_Z, .key = .z },
             .{ .c_key = c.KEY_X, .key = .x },
+            .{ .c_key = c.KEY_C, .key = .c },
+            .{ .c_key = c.KEY_V, .key = .v },
+            .{ .c_key = c.KEY_J, .key = .j },
+            .{ .c_key = c.KEY_K, .key = .k },
+            .{ .c_key = c.KEY_SPACE, .key = .space },
             .{ .c_key = c.KEY_RIGHT_SHIFT, .key = .right_shift },
             .{ .c_key = c.KEY_LEFT_SHIFT, .key = .left_shift },
             .{ .c_key = c.KEY_ENTER, .key = .enter },
@@ -74,6 +87,10 @@ pub const Driver = struct {
             .{ .c_key = c.KEY_DOWN, .key = .down },
             .{ .c_key = c.KEY_LEFT, .key = .left },
             .{ .c_key = c.KEY_RIGHT, .key = .right },
+            .{ .c_key = c.KEY_W, .key = .w },
+            .{ .c_key = c.KEY_S, .key = .s },
+            .{ .c_key = c.KEY_A, .key = .a },
+            .{ .c_key = c.KEY_D, .key = .d },
             .{ .c_key = c.KEY_F5, .key = .f5 },
             .{ .c_key = c.KEY_F8, .key = .f8 },
             .{ .c_key = c.KEY_P, .key = .p },
@@ -81,13 +98,43 @@ pub const Driver = struct {
 
         for (key_mappings) |mapping| {
             if (c.IsKeyPressed(mapping.c_key)) {
-                return .{ .key_down = .{ .key = mapping.key } };
+                const next = (self.event_head + 1) % self.event_queue.len;
+                if (next != self.event_tail) {
+                    self.event_queue[self.event_head] = .{ .key_down = .{ .key = mapping.key } };
+                    self.event_head = next;
+                }
             }
             if (c.IsKeyReleased(mapping.c_key)) {
-                return .{ .key_up = .{ .key = mapping.key } };
+                const next = (self.event_head + 1) % self.event_queue.len;
+                if (next != self.event_tail) {
+                    self.event_queue[self.event_head] = .{ .key_up = .{ .key = mapping.key } };
+                    self.event_head = next;
+                }
             }
         }
 
+        // Support mouse left click as Start/Action button
+        if (c.IsMouseButtonPressed(c.MOUSE_BUTTON_LEFT)) {
+            const next = (self.event_head + 1) % self.event_queue.len;
+            if (next != self.event_tail) {
+                self.event_queue[self.event_head] = .{ .key_down = .{ .key = .enter } };
+                self.event_head = next;
+            }
+        }
+        if (c.IsMouseButtonReleased(c.MOUSE_BUTTON_LEFT)) {
+            const next = (self.event_head + 1) % self.event_queue.len;
+            if (next != self.event_tail) {
+                self.event_queue[self.event_head] = .{ .key_up = .{ .key = .enter } };
+                self.event_head = next;
+            }
+        }
+
+        if (self.event_head != self.event_tail) {
+            const ev = self.event_queue[self.event_tail];
+            self.event_tail = (self.event_tail + 1) % self.event_queue.len;
+            return ev;
+        }
+
         return null;
     }
 
@@ -116,6 +163,8 @@ pub const Driver = struct {
             .height = @floatFromInt(self.height * self.scale),
         };
         c.DrawTexturePro(self.texture, src, dest, c.Vector2{ .x = 0, .y = 0 }, 0.0, c.WHITE);
+
+        self.polled_this_frame = false;
     }
 
     pub fn queueAudio(self: *Driver, output: usize, buffer: contract.AudioBuffer) void {